I learned a long time ago, that facts and truth can be a different thing. How you present your facts make you a truthful person or a liar. And this is why I got into this little “flame war” on twitter because of one chart.
When looking for some information on “misleading charts” I found a bunch of good resources that you might want to look at. Check out the following links to get the knowledge that will help you to defend against all kind of misleading visualizations:
And never use the misleading charts yourself (and protest when others do).